Crystals may be insulators, semiconductors, or conductors.晶体可以是绝缘体, 半导体, 或导体.Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。Polluted insulators may flashover at any time...
Natural fabrics like silk and wool are better insulators than synthetics.丝绸和羊毛之类的纯天然织物比合成纤维的保暖性更好。To reduce heat losses the pipes are covered by thermal insulators.为了减少热散失,管子外包保温层.Crystals may be insulators, semiconducto...
About World Soccer MagazineWorld Soccer as the undisputed authority on international football.英国的一本体育杂志-世界足球. 主要从事世界足球运动的宣传.This plan strengthened the E - mail security because both addressor and addressee have Non - rep...
这个可怕而学识渊博的阿耳巴该斯并不是这类人中的低能儿.Not the least remarkable of his tribe was the formidable and profound Arbaces.他是个低能儿, 听 不懂你说话.He is a weak - minded and can't understand you.阿甘是个智商只有75的低能儿.Forrest Gump an IQ of only 75 im...